The wallet was returned to him without anything _____.
| A．missed | B．to be missed | C．missing | D．to miss |
________ the right kind of training，these teenage soccer players may one day grow the international stars.
| A．Giving | B．Having given |
| C．To give | D．Given |
Please do me a favor—________ my friend Mr.Smith to Youth Theater at 7：30 tonight.
| A．to invite | B．inviting |
| C．invite | D．invited |
Nowadays people sometimes separate their waste to make it easier for it ________.
| A．reusing | B．reused |
| C．reuses | D．to be reused |
At the age of 29，Dave was a worker，________ in a small apartment near Boston and ________ what to do about his future.
| A．living；wondering | B．lived；wondering |
| C．lived；wondered | D．living；wondered |
When he ________ the door，he found his keys were nowhere.
| A．would open | B．opened |
| C．had opened | D．was to open |